linux is ok but unix is 4 the hard cores users
i use bsd and linux and commadore amiga 1200 i like my os but if your in to the busnis of the end i would chose bsd over linux is a toy and for basic users bsd is 4 game servers and file servers all thoe there is many bsd vs to

openbsd
netbsd
freebsd
picobsd
bsd
and so on
openbsd is server apps
netbsd is internet
freebsd is both
picobsd you can fit on 1 floppy disk
bsd is the pimping os but is cost a pretty $
os X is the easy to use no typing